The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2018
Filed:
Jul. 04, 2012
Applicants:
Thomas Evertz, Peine, DE;
Volker Flaxa, Salzgitter, DE;
Michael Braun, Lehre, DE;
Inventors:
Assignee:
SALZGITTER FLACHSTAHL GMBH, Salzgitter, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 7/02 (2006.01); B21B 1/02 (2006.01); B21D 22/20 (2006.01); C21D 7/13 (2006.01); C21D 9/08 (2006.01); C21D 9/48 (2006.01); B21B 1/38 (2006.01); B21C 1/00 (2006.01); C21D 1/673 (2006.01);
U.S. Cl.
CPC ...
B21B 1/024 (2013.01); B21B 1/38 (2013.01); B21C 1/00 (2013.01); B21D 22/208 (2013.01); C21D 7/02 (2013.01); C21D 7/13 (2013.01); C21D 9/08 (2013.01); C21D 9/48 (2013.01); B21B 2001/383 (2013.01); C21D 1/673 (2013.01);
Abstract
In a method for producing a component by hot forming of a pre-product made of steel, the pre-product is heated to forming temperature and subsequently formed. The product is heated to a temperature below the AC-transformation temperature and undergoes a strength increase prior to the heating by cold forming.